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        "cveId": "CVE-2025-34257",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2025-04-15T19:15:22.578Z",
        "datePublished": "2025-12-05T17:15:24.912Z",
        "dateUpdated": "2026-08-14T16:49:27.043Z"
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            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "WISE-DeviceOn Server",
                    "vendor": "Advantech Co., Ltd.",
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                            "status": "affected",
                            "version": "0",
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                    "type": "finder",
                    "value": "Alex Williams from Pellera Technologies"
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                            "value": "Advantech WISE-DeviceOn Server versions prior to 5.4 contain a stored cross-site scripting (XSS) vulnerability in the /rmm/v1/action/defined endpoint. When an authenticated user creates a task, the defined_name value is stored and later rendered in the Overview page without HTML sanitization. An attacker can inject malicious script into defined_name, which is then executed in the browser context of users who view the affected task, potentially enabling session compromise and unauthorized actions as the victim."
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                        "Recovery": "NOT_DEFINED",
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                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 5.1,
                        "baseSeverity": "MEDIUM",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "LOW",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "LOW",
                        "subIntegrityImpact": "LOW",
                        "userInteraction": "PASSIVE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N",
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                        "vulnerabilityResponseEffort": "NOT_DEFINED"
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                            "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')",
                            "lang": "en",
                            "type": "CWE"
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                "dateUpdated": "2026-08-14T16:49:27.043Z"
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            "references": [
                {
                    "tags": [
                        "vendor-advisory",
                        "patch"
                    ],
                    "url": "https://advcloudfiles.advantech.com/cms/2ca1b071-fd78-4d7f-8a2a-7b4537a95d19/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----DeviceOn-20251208-2.pdf"
                },
                {
                    "tags": [
                        "product"
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                    "url": "https://docs.deviceon.advantech.com/docs/resource/"
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                {
                    "tags": [
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                    "url": "https://www.vulncheck.com/advisories/advantech-wise-deviceon-server-authenticated-stored-xss-via-action-defined"
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            "source": {
                "discovery": "UNKNOWN"
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            "title": "Advantech WISE-DeviceOn Server < 5.4 Authenticated Stored XSS via action/defined",
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                                "timestamp": "2025-12-09T20:42:54.112595Z",
                                "id": "CVE-2025-34257",
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                                        "Exploitation": "none"
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                "title": "CISA ADP Vulnrichment",
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